The designer plays an important role in commercial light application. The goal of commercial light designing is to create an ideal light environment and sense of space. The designer also act as a bridge between the business place owner and manufacturer by communicating with clients to show them the characters of LED Lights application and meet their needs; then the designer shall provide a lighting solution that satisfy the owners demands and show the advantages of LED lights. By choosing professional led high bay products and optimizing lighting design, designers will create a comfortable shopping environment to improve customers’ shopping experience and increase revenue of the shopping center. In this general trend, designers should deeply understand the characters of LED lights, combine design philosophy and product development, so that LED products will be more diversified and flexible.